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Distinguishing between Common Rail (CR) and Unit Injector (PD)

Applicable to certain Volkswagen AG model series with 2.0 TDI engines

Several Audi, Seat, Skoda and VW model series with 2.0 TDI engines use both CR and PD ("Pumpe-Düse" / Unit injector) technology.

RaceChip chip tuning is specially customised to the applicable fuel injection technology with respect to
both hardware and software. If your vehicle is specified in the list of applicable models below (all other
2.0 TDI models feature just one type of technology), it is important to determine, before choosing a tuning
product, which type of injection technology is installed in your vehicle. For such models, you will
therefore find the “CR” or “PD” designation after your engine code.

If your vehicle is in this list and you are not sure if it is a CR or PD version, then simply follow one of the following steps to identify CR or PD technology.

Using the engine code:

For PD models, the engine code consists of 3 characters, while for CR there are 4 characters. You can find your vehicle’s engine code in the specification sheet in your service booklet or on the data sticker in your engine bay.

Using engine images for CR and PD:

Common rail (CR)

Unit injector (PD)

Common rail engine, traverse

Common rail engine, longitudinal

Pumpe-Düse (PD, unit injector) engine, traverse

Pumpe-Düse (PD, unit injector) engine, longitudinal

Using our customer service:

If the tips above have not clarified the technology type, then please contact our Customer Service department. We will be happy to help.
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RaceChip show car cracks 1000 NM

News & Stories | 06.04.2017 | RaceChip

The fastest diesel sedan in the world is now even faster with RaceChip

Goeppingen, April 06th, 2017 With their second show car in 2017, the Goeppingen-based experts for chip tuning have a new addition to their fleet that’s the perfect combination of luxury and speed. The Porsche Panamera 4S Diesel is already considered the fastest diesel in the world out of the factory. RaceChip, the market leader for electronic performance enhancement, has squeezed even more out of the Panamera, putting it even further out ahead of the competition. The RaceChip Ultimate boosts the 422 HP and 850 NM of factory-standard Panamera to 505 HP and 1050 NM. Tailor-made OZ rims, new Michelin Pilot Sport 4S tires and a height-adjustable suspension from KW round off the comfort and performance of the new show car.

Second RaceChip show car in 2017: the Porsche Panamera 4S Diesel

The Porsche Panamera 4S Diesel may well be the very best combination of sportiness and comfort available right now. Thanks to the RaceChip Ultimate with app control, the new flagship from Porsche leaps from 422 HP and 850 NM to a strong 505 HP and an incredible 1050 NM. By comparison, the Panamera with the word ‘turbo’ in its name may reach 550 HP, but only 770 NM. The first acceleration tests show how closely the cars perform. The speedometer needle of the RaceChip show car shatters the 100 km/h mark after 3.6 seconds, precisely the same time achieved by the Panamera Turbo with the Sport Chrono package. The diesel with integrated RaceChip Ultimate, app control, 4.0 V8 engine and all-wheel drive is therefore as a package in no way inferior to the Panamera Turbo. In fact, with the RaceChip Ultimate, the diesel gets a performance boost of 83 HP and 200 NM.

RaceChip has enhanced the driving dynamics of the show car by installing tuning response control for the accelerator pedal. RaceChip has also fitted out the Panamera with custom-made rims from OZ, the Superturismo Dakar (front: 9.5x21 ET48 / rear: 11x21 ET60), and brand new Pilot Sport 4S tires from Michelin. KW DLC suspension lowering module provides an even better look and enhanced driving dynamics. A subtle wrap in orange and black, in combination with the noble gray of the Porsche, completes the gentleman racing car look.

The overall package retains all the advantages of the factory model, such as its comfort, elegance and restraint. In combination with the RaceChip Ultimate and the magnificent rear axle steering however, the driver could completely forget that he or she isn’t sitting in a sports car. “It’s fascinating how the Porsche Panamera keeps its agility despite its size and its over two tons of weight. With RaceChip's power injection, you as a driver can enjoy this agility to the maximum extent. Any remnant lethargy from the engine – which is already impressive out of the factory – is shaken off. The forward thrust of the Panamera, with its now over 1000 NM torque, is simply impressive,” describes Dominic Ruopp, RaceChip CEO, his experiences with the RaceChip Panamera. “It’s incredibly quiet and comfortable if you just want to cruise along. And at the same time, it has astonishing power reserves at its disposal, thanks to the RaceChip Ultimate. In terms of performance, the RaceChip Panamera has few rivals that can keep up with it. For a diesel with a range of up to 1000 km, these specs are both crazy and impressive at the same time”, says Dominic Ruopp. The RaceChip Panamera 4S Diesel combines what in the past simply didn’t go together, but which now makes a lot of sense: comfort and sportiness in one car.

RaceChip app control and Panamera’s driving modes

The Panamera’s driving modes can be combined with the three additional driving modes of the RaceChip. This gives the driver a wide choice of different modes to choose from and makes it easy to find the perfect driving style. The driving modes of the Panamera harmonize perfectly with those of the RaceChip App. For a sportier driving style, the driver has the option of selecting the Sport+ mode of the Panamera and the mode Race of the RaceChip app. This combination offers a direct response, tight steering, a sport-tuned suspension and an incredibly powerful engine. For a fuel-saving driving style, the Efficiency mode of the RaceChip can be paired with the Normal mode of the Porsche. This lets the Panamera drive 1000 km before refueling. A simple swipe of the finger on your smartphone is all that’s required to change performance modes – for more driving fun in every situation.

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